Vue生命周期鉤子函數
阿新 • • 發佈:2018-04-24
Vue<!DOCTYPE html>
<html lang="en"> <script type="text/javascript" src="https://cdn.jsdelivr.net/vue/2.1.3/vue.js"></script>
</head>
<style>
</style> },
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<style>
</style>
<body>
<div id="app">
<p>{{message}}</p>
數字:
</div>
<script>
var app = new Vue({
el: "#app",
data: {
message: "中國"
beforeCreate: function () { console.group(‘beforeCreate 創建前狀態==============‘) console.log("%c%s", "color:red", "el :" + this.$el); console.log("%c%s", "color:red", "data :" + this.$data); console.log("%c%s", "color:red", "message :" + this.message) }, created: function () { console.group(‘created 創建後狀態==============‘) console.log("%c%s", "color:red", "el :" + this.$el); console.log(this.$el) console.log("%c%s", "color:red", "data :" + this.$data); console.log(this.$data) console.log("%c%s", "color:red", "message :" + this.message) }, beforeMount: function () { console.group(‘beforeMount 掛載前狀態==============‘) console.log("%c%s", "color:red", "el :" + this.$el); console.log(this.$el) console.log("%c%s", "color:red", "data :" + this.$data); console.log(this.$data) console.log("%c%s", "color:red", "message :" + this.message) }, mounted: function () { console.group(‘mounted 掛載後狀態==============‘) console.log("%c%s", "color:red", "el :" + this.$el); console.log(this.$el) console.log("%c%s", "color:red", "data :" + this.$data); console.log(this.$data) console.log("%c%s", "color:red", "message :" + this.message) }, beforeUpdate: function () { console.group(‘beforeUpdate 更新前狀態==============‘) console.log("%c%s", "color:red", "el :" + this.$el); console.log(this.$el) console.log("%c%s", "color:red", "data :" + this.$data); console.log(this.$data) console.log("%c%s", "color:red", "message :" + this.message) }, updated: function () { console.group(‘updated 更新後狀態==============‘) console.log("%c%s", "color:red", "el :" + this.$el); console.log(this.$el) console.log("%c%s", "color:red", "data :" + this.$data); console.log(this.$data) console.log("%c%s", "color:red", "message :" + this.message) }, beforeDestroy: function () { console.group(‘beforeDestroy 銷毀前狀態==============‘) console.log("%c%s", "color:red", "el :" + this.$el); console.log(this.$el) console.log("%c%s", "color:red", "data :" + this.$data); console.log(this.$data) console.log("%c%s", "color:red", "message :" + this.message) }, destroyed: function () { console.group(‘destroyed 銷毀後狀態==============‘) console.log("%c%s", "color:red", "el :" + this.$el); console.log(this.$el) console.log("%c%s", "color:red", "data :" + this.$data); console.log(this.$data) console.log("%c%s", "color:red", "message :" + this.message) } })
</script>
</body>
</html>
1.程序運行,控制臺看輸出:
2.控制臺輸入 app.message = ‘test‘
3.控制臺輸入 app.$destroy()
Vue生命周期鉤子函數